NSN 5840-00-334-5241 — this item is cataloged by the U.S. Government under National Stock Number 5840-00-334-5241. Manufacturer of record part number: M7420401-1REV3.
Manufacturer of record: Westinghouse Electric Corp
Identification
NSN: 5840-00-334-5241
NIIN: 003345241
FSC: 5840 — Radar Equipment, Except Airborne
FSG: 58 — Communication, Detection, and Coherent Radiation Equipment
Primary part number: M7420401-1REV3
Manufacturer: Westinghouse Electric Corp
General Description
The Holder,crystal, cataloged under National Stock Number 5840-00-334-5241, is classified within Federal Supply Class 5840 (Radar Equipment, Except Airborne) of the Communication, Detection, and Coherent Radiation Equipment group. The manufacturer of record is Westinghouse Electric Corp. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Catalog Facts
Item Name
Holder,crystal
FSC / FSG
5840 — Radar Equipment, Except Airborne (FSG 58)
Manufacturers
Westinghouse Electric Corp (CAGE 79500)
Technical Specifications
Parameter
Value
NSN
5840-00-334-5241
Primary Part Number
M7420401-1REV3
Item Name
Holder,crystal
FSC / FSG
5840 / 58 — Radar Equipment, Except Airborne
Manufacturer
Westinghouse Electric Corp
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL D — Destroy Item
Hazard
No hazard code in the DLA record (HMIC N)
⇄Related Items5
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
2815-00-374-826340289POSSIBLE MATCH
IMPELLER,BLOWER,CENTRIFUGAL
Possible match (shared part number)Napco International Llc Dba Napco International Inc
5310-00-484-2288UL-256-0CWPOSSIBLE MATCH
NUT,SELF-LOCKING,CLINCH
Possible match (shared part number)Penn Engineering & Manufacturing Corp
5950-00-528-2573163B5697POSSIBLE MATCH
COIL ASSEMBLY,RADIO FREQUENCY
Possible match (shared part number)General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems
5340-00-808-4042BACC15AF9POSSIBLE MATCH
CLIP,SPRING TENSION
Possible match (shared part number)The Boeing Company Div Defense
5915-00-930-4442SM-C-583214POSSIBLE MATCH
FILTER,BAND SUPPRESSION
Possible match (shared part number)Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
Westinghouse Electric Corp Power Generation-Generator Div
Related Parts
2815-00-374-8263POSSIBLE MATCH
IMPELLER,BLOWER,CENTRIFUGAL
40289
5310-00-484-2288POSSIBLE MATCH
NUT,SELF-LOCKING,CLINCH
UL-256-0CW
5950-00-528-2573POSSIBLE MATCH
COIL ASSEMBLY,RADIO FREQUENCY
163B5697
5340-00-808-4042POSSIBLE MATCH
CLIP,SPRING TENSION
BACC15AF9
5915-00-930-4442POSSIBLE MATCH
FILTER,BAND SUPPRESSION
SM-C-583214
Frequently Asked Questions
What is NSN 5840-00-334-5241?
NSN 5840-00-334-5241 is a Holder,crystal, manufactured by Westinghouse Electric Corp, classified under FSC 5840, Radar Equipment, Except Airborne. Status: active.
What part numbers are listed for NSN 5840-00-334-5241?
NSN 5840-00-334-5241 has 1 manufacturer part number on file: M7420401-1REV3 (Westinghouse Electric Corp).
What NSN replaces 5840-00-334-5241?
5 possible matches (shared part number, not a government interchangeability claim): 2815-00-374-8263, 5310-00-484-2288, 5950-00-528-2573. Verify interchangeability with system specifications before substitution.
Is NSN 5840-00-334-5241 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
What is the DEMIL code for NSN 5840-00-334-5241?
NSN 5840-00-334-5241 has DEMIL Code D. Demilitarization may be required before disposal or transfer to non-military entities.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.